History of inhalation therapy equipment.
D000336:Aerosols / Q000627:therapeutic use; D001774:Blood Chemical Analysis; D006666:History of Medicine; D049690:History, Ancient; D049691:History, Medieval; D049711:History, Modern 1601-; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000266:history*; D012121:Respiration, Artificial; D012138:Respiratory Therapy / Q000266:history* / Q000295:instrumentation*
D000336:Aerosols